Dimethyl 2-oxoheptylphosphonate
Dimethyl 2-oxoheptylphosphonate (CAS 36969-89-8) is an organophosphorus compound with the linear formula CH3(CH2)4COCH2P(O)(OCH3)2 and a molecular weight of 222.22 g/mol. This reagent is recognised for its utility in C-C bond formation and chemical synthesis. It serves as a key intermediate, particularly in the complex pathway of prostaglandin synthesis, enabling the construction of essential molecular frameworks.
- IUPAC
- (2-Oxoheptyl)phosphonic acid dimethyl ester,Dimethyl (hexanoylmethyl)phosphonate
- Synonyms
- (2-Oxoheptyl)phosphonic acid dimethyl esterDimethyl (hexanoylmethyl)phosphonate

Prostaglandin Synthesis
Dimethyl 2-oxoheptylphosphonate is a crucial intermediate in the synthesis of prostaglandins. Its structure facilitates key bond formations required for building these biologically significant lipid compounds.
Horner-Wadsworth-Emmons Reagent
As a functionalised phosphonate ester, it is employed in Horner-Wadsworth-Emmons reactions for the formation of carbon-carbon double bonds, contributing to olefination processes.
Organic Synthesis Intermediate
This compound serves as a versatile building block in general organic synthesis, enabling the introduction of a functionalised heptyl chain via established synthetic methodologies.
| Molecular weight | 222.22 |
|---|---|
| Linear formula | CH3(CH2)4COCH2P(O)(OCH3)2 |
| Assay | 85% |
| Boiling point | 109 °C/0.4 mmHg(lit.) |
| Density | 1.07 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.444(lit.) |
| Application | A key intermediate in prostaglandin synthesis. |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Dimethyl 2-oxoheptylphosphonate used for?
+
Dimethyl 2-oxoheptylphosphonate (CAS 36969-89-8) is primarily used as a key intermediate in prostaglandin synthesis and in Horner-Wadsworth-Emmons reactions for olefination and C-C bond formation in organic synthesis.
What are the CAS number and formula for Dimethyl 2-oxoheptylphosphonate?
+
The CAS number is 36969-89-8 and the linear formula is CH3(CH2)4COCH2P(O)(OCH3)2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Dimethyl 2-oxoheptylphosphonate with an assay of 85%. This product is supplied for research and development purposes and is not represented as USP, EP, or BP grade.
How should Dimethyl 2-oxoheptylphosphonate be handled safely?
+
Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. It has a high flash point (110 °C), but should be kept away from heat and open flames. Consult the Safety Data Sheet for detailed hazard information.
Is Dimethyl 2-oxoheptylphosphonate a controlled substance?
+
Based on the provided data, there is no indication that Dimethyl 2-oxoheptylphosphonate (CAS 36969-89-8) is a controlled substance.
How is Dimethyl 2-oxoheptylphosphonate typically packed and exported?
+
Tech Serve Solutions, as a specialist global supplier and exporter, packs and exports chemicals like Dimethyl 2-oxoheptylphosphonate according to international shipping regulations and customer requirements to ensure safe transit.
How can I request a sample or quote for Dimethyl 2-oxoheptylphosphonate?
+
To request a sample or a quotation, please contact the Tech Serve Solutions sales department via our website or by direct inquiry, providing your specific requirements and shipping details.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis